A helical rack is a type of rack with helical teeth. Compared to a regular rack, it can withstand greater loads and operates with lower noise, making it widely used in industrial applications.
When a helical rack meshes, the helix angle generates axial thrust, requiring careful design to balance this axial force. Furthermore, when two helical teeth with opposite helix angles mesh to form a crossed helical gear, its shafts can cross to accommodate different tilt angles, but the point contact limits its load-bearing capacity.
When two helical teeth with opposite helix angles mesh, they form a crossed helical rack. Its shafts can cross at different angles to adapt to various assembly requirements. However, due to the point contact of the tooth surfaces, the load-bearing capacity of a crossed helical gear is lower than that of a regular helical gear, making it suitable for light-load applications.
